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Mon, 22 Mar 2021 02:19:56 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute4.internal (MEProxy); Mon, 22 Mar 2021 02:19:57 -0400 Received: from apples.local (80-167-98-190-cable.dk.customer.tdc.net [80.167.98.190]) by mail.messagingengine.com (Postfix) with ESMTPA id 5AEA724041D; Mon, 22 Mar 2021 02:19:55 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=irrelevant.dk; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm2; bh=zvmOUxX3kek4y VoWEZEgSTTkeyiNBoyFAWFOrokm8r8=; b=D/piJdB3oxlQcZXKQtMy2rqS9knC8 eU0btpNyxxYKwR6uDzgnRbDh8gnyzfXvoC5QU32aRu1M9JykWWwHCDE4FNHjnQBg BmK3jloXaX1ptGEz1PusF9/uk//EdF2N9VHti4+yOjKqehBWL+NDf/F9zNDQzp+4 cUaNAJXGRAMIW8+RjJmxs1APSmw+v08yQoNf9dl8+VITPCqzZf3RGws0JAmeeZY0 8HlpTXvdmopsfmVrMlePrbwZUOV6GoRLZyHoJpd6MOQr053CxyQjRxp0tloiPIsi MQd5zu9NwFgqPd98yDYEnENNeqr33TFjqNt57Dyj+oZoaDygosKaFvgVg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=64.147.123.21; envelope-from=its@irrelevant.dk; helo=wout5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Keith Busch , Klaus Jensen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Klaus Jensen If nvme_map_dptr() fails, nvme_dif_rw() will leak the bounce context. Fix this by using the same error handling as everywhere else in the function. Reported-by: Coverity (CID 1451080) Fixes: 146f720c5563 ("hw/block/nvme: end-to-end data protection") Signed-off-by: Klaus Jensen --- hw/block/nvme-dif.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/nvme-dif.c b/hw/block/nvme-dif.c index 2038d724bda5..e6f04faafb5f 100644 --- a/hw/block/nvme-dif.c +++ b/hw/block/nvme-dif.c @@ -432,7 +432,7 @@ uint16_t nvme_dif_rw(NvmeCtrl *n, NvmeRequest *req) =20 status =3D nvme_map_dptr(n, &req->sg, mapped_len, &req->cmd); if (status) { - return status; + goto err; } =20 ctx->data.bounce =3D g_malloc(len); --=20 2.31.0 From nobody Sun May 5 23:30:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1616394394; cv=none; d=zohomail.com; s=zohoarc; b=kJKF4yx5DgD5DL8BhfYzcrhkJQqN6jd2DmsaK/K+CuYDg2bDB1c/tgK7FGtfUDVySG5BBHehQjXiAlI65/JrmDSHVhe4SKRbKXiCCz5E7cPz+az4HERcSn3hSG79PTNAnvqA6n8v0F+y+LTu2g8ZsqE4aTnYdc1EsTKLHhERbGU= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=64.147.123.21; envelope-from=its@irrelevant.dk; helo=wout5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, Klaus Jensen , Max Reitz , Keith Busch , Klaus Jensen Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Klaus Jensen In nvme_format_ns(), if the namespace is of zero size (which might be useless, but not invalid), the `count` variable will leak. Fix this by returning early in that case. Reported-by: Coverity (CID 1451082) Fixes: dc04d25e2f3f ("hw/block/nvme: add support for the format nvm command= ") Signed-off-by: Klaus Jensen --- hw/block/nvme.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 6842b01ab58b..dad275971a84 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -4984,6 +4984,11 @@ static uint16_t nvme_format_ns(NvmeCtrl *n, NvmeName= space *ns, uint8_t lbaf, ns->status =3D NVME_FORMAT_IN_PROGRESS; =20 len =3D ns->size; + + if (!len) { + return NVME_SUCCESS; + } + offset =3D 0; =20 count =3D g_new(int, 1); --=20 2.31.0